CN204694719U - Pump unit, electrode detection unit and biochemical corpse or other object for laboratory examination and chemical testing device - Google Patents
Pump unit, electrode detection unit and biochemical corpse or other object for laboratory examination and chemical testing device Download PDFInfo
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- CN204694719U CN204694719U CN201420749749.1U CN201420749749U CN204694719U CN 204694719 U CN204694719 U CN 204694719U CN 201420749749 U CN201420749749 U CN 201420749749U CN 204694719 U CN204694719 U CN 204694719U
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Abstract
The utility model provides a kind of pump unit, comprises at least two pumps, and it utilizes a motor to be driven by above-mentioned at least two pumps of transmission mechanism to said pump unit, carries out action respectively to make above-mentioned at least two pumps.
Description
Technical field
The utility model relates to a kind of pump unit, possesses the electrode detection unit of this pump unit and possesses the biochemical corpse or other object for laboratory examination and chemical testing device of this electrode detection unit.
Background technology
Existing biochemical corpse or other object for laboratory examination and chemical testing device, clinically for detecting, analyzing life chemistry material, thus provides information foundation to the diagnosis of disease, treatment and prognosis and health status.It measures certain specified chemical composition in body fluid according to photoelectric colorimetry principle, because its measuring speed is fast, accuracy is high, consumption amount of reagent is little, greatly can improve efficiency and the income of routine biochemistry inspection, now be used widely at situation of all-level hospitals, epidemic prevention station, family planning services station.
As one---the such as automatic clinical chemistry analyzer of the biochemical corpse or other object for laboratory examination and chemical testing device of prior art, electrode detection unit wherein needs to draw sample and correcting fluid, spue, and is by the absorption correcting liquid pump and suction pump and realize respectively correcting fluid and sample liquid, spues.
As shown in figs. 10 a and 10b, the electrode detection unit of the biochemical corpse or other object for laboratory examination and chemical testing device of prior art comprises correction liquid pump 1 and suction pump 2.Wherein, as shown in Figure 10 A, correcting liquid pump 1 mainly comprises for holding absorption, the injection tube 11 of the correcting fluid spued, can be inserted into up or down in above-mentioned injection tube 11 to carry out the absorption of correcting fluid, the piston 16 spued, the retaining valve 10 be connected by pipe arrangement phase earthing with one end of not inserting above-mentioned piston 16 of above-mentioned injection tube 11, be fixedly connected on above-mentioned piston 16, to the supporting member 13 that this piston 16 keeps, be connected with above-mentioned supporting member 13 by cam 14, drive the motor 12 of above-mentioned supporting member 13 above-below direction movement in the drawings, and the axis of guide 15 led is moved up and down to above-mentioned supporting member 13.
The correction liquid pump 1 of the prior art carries out action like this: control gear controls motor 12 and carries out action, supporting member 13 is moved up and down along the axis of guide 15, thus piston 16 moves up and down thereupon.When piston 16 is moved upward, release the air in injection tube 11, when then being moved downward, due to the effect of retaining valve, air can not enter injection tube 11, and correcting fluid can be attracted in injection tube 11 from correcting fluid bottle; When piston 16 is moved upward again, correcting fluid is spued to correction liquid pool.Like this, the action once correcting liquid pump 1 is completed.
As shown in Figure 10 B, suction pump 2 mainly comprises: for holding absorption, the injection tube 21 of the sample liquid spued, can be inserted into up or down in above-mentioned injection tube 21 to carry out the absorption of sample liquid, the piston 26 spued, be connected with the phase earthing, one end of not inserting above-mentioned piston 26 of above-mentioned injection tube 21, there is the flexible pipe 27 being branched off into " Y " font connecting the discharge opening 272 of waste liquid tank and the suction inlet 271 of connecting electrode syringe needle, the discharge opening 272 of flexible pipe 27 and suction inlet 271 are carried out respectively to the solenoid valve 20 of open and close controlling, be fixedly connected on above-mentioned piston 26, to the supporting member 23 that this piston 16 keeps, be connected with above-mentioned supporting member 23 by cam 24, drive the motor 22 of above-mentioned supporting member 23 above-below direction movement in the drawings, and the axis of guide 25 led is moved up and down to above-mentioned supporting member 23.
The suction pump 2 of the prior art carries out action like this: control gear controls motor 22 and carries out action, supporting member 23 is moved up and down along the axis of guide 25, thus piston 26 moves up and down thereupon.When piston 26 is moved upward, release the air injection tube 21 from the discharge opening 272 of flexible pipe 27, when then being moved downward, discharge opening 272 tightened by solenoid valve, and liquid sample attracted to injection tube 21 from suction inlet; When piston 26 is moved upward again, liquid sample is spued to waste liquid tank.Like this, the action of a suction pump 2 is completed.
Like this, correct liquid pump action once, attract correcting fluid to spue to correction liquid pool from correcting fluid bottle; Liquid sample once, is sucked electrode to detect liquid sample, then spues by suction pump action.Two pump alternating movements, complete one-time detection.Such prior art is performed by controller independently and driver to control and drive, and controls motor respectively and utilize cam driven supporting member, action in injection tube, realize the work of pump.
But, along with the trend of current biochemical corpse or other object for laboratory examination and chemical testing device forward miniaturization development, electrode detection unit is as the important component part of biochemical corpse or other object for laboratory examination and chemical testing device, and it is maximum that it corrects volume shared by liquid pump and suction pump, therefore creates the demand of correction for reduction liquid pump and the total volume of suction pump.
And the correction liquid pump of the electrode detection unit in existing biochemical corpse or other object for laboratory examination and chemical testing device and suction pump need use one respectively and altogether use two driving mechanisms, and this structure makes the probability of malfunction of electrode detection unit double.Further, two covers drive and gear train, and make the structure of electrode detection unit become complicated, volume is larger.
Utility model content
Therefore, the purpose of this utility model is exactly the probability of malfunction that will obtain a kind of electrode detection unit decreased in biochemical corpse or other object for laboratory examination and chemical testing device, and decrease take up space, the simple biochemical corpse or other object for laboratory examination and chemical testing device of structure.
In order to solve described problem the utility model first scheme involved by biochemical corpse or other object for laboratory examination and chemical testing device in pump unit, comprise at least two pumps, wherein, above-mentioned at least two pumps making the driving force of a motor pass to said pump unit by transmission mechanism drive, and carry out action respectively to make above-mentioned at least two pumps.
On the basis of the pump unit described in first scheme, in second aspect of the present invention, above-mentioned transmission mechanism comprises: the multiple slave units be separately positioned on above-mentioned at least two pumps, driving the piston of these at least two pumps to move up and down in injection cylinder, and is connected with the driving shaft of above-mentioned motor, is driven the drive unit rotated; This transmission mechanism is engaged with above-mentioned drive unit respectively by above-mentioned multiple slave unit, and above-mentioned multiple slave unit is moved up and down respectively.
On the basis of the pump unit described in alternative plan, in third aspect of the present invention, above-mentioned at least two pumps are the correction liquid pump for drawing and discharge correcting fluid in biochemical corpse or other object for laboratory examination and chemical testing device, with the suction pump for drawing and discharge sample liquid, above-mentioned correction liquid pump and above-mentioned suction pump to be connected with above-mentioned drive unit ground connection configuration by above-mentioned slave unit, and, above-mentioned slave unit is separately positioned on the side towards above-mentioned drive unit of above-mentioned correction liquid pump and above-mentioned suction pump, and fix with the supporting member that carry piston of above-mentioned correction liquid pump and above-mentioned suction pump or be connected separably, above-mentioned supporting member is driven to move up and down, this pump unit is also provided with the guiding mechanism led that moves up and down to above-mentioned supporting member.
On the basis of the pump unit described in above-mentioned third program, in fourth aspect of the present invention, above-mentioned drive unit is be connected with the driving shaft of above-mentioned motor and driven the sector gear arranged rotationally, above-mentioned slave unit is be arranged on the tooth bar on the supporting member of above-mentioned correction liquid pump and above-mentioned suction pump respectively, by the driving of above-mentioned motor, sector gear can rotate respectively to both sides, thus engages with the tooth bar being positioned at its both sides respectively and drive tooth bar to move up and down.
On the basis of the pump unit described in above-mentioned third program, in fifth aspect of the present invention, above-mentioned drive unit is be connected with the driving shaft of above-mentioned motor and driven the column gear arranged rotationally, above-mentioned slave unit is the tooth bar be meshed with above-mentioned column gear respectively, and, above-mentioned correction liquid pump and above-mentioned suction pump at least one in be provided with arrangement of clutch, this arrangement of clutch can make the supporting member of at least one in above-mentioned correction liquid pump and above-mentioned suction pump combine with above-mentioned tooth bar and can become to move up and down integratedly.
On the basis of the pump unit described in above-mentioned 5th scheme, in sixth aspect of the present invention, above-mentioned arrangement of clutch comprises: that be arranged at least one of above-mentioned correction liquid pump and above-mentioned suction pump with electromagnet that is above-mentioned motor opposite side, can be kept up and down, can insert the through hole being arranged at above-mentioned keeper and the pin be finally inserted in the hole being arranged at above-mentioned tooth bar by above-mentioned electromagnet; Above-mentioned electromagnet can control above-mentioned pin relative to the insertion of above-mentioned keeper and tooth bar with extract, when above-mentioned pin being inserted the through hole of above-mentioned keeper and inserting in the hole of above-mentioned tooth bar, above-mentioned pin, above-mentioned keeper and above-mentioned tooth bar can become and move up and down integratedly, when being extracted from above-mentioned through hole and hole by above-mentioned pin, above-mentioned keeper is separated with above-mentioned tooth bar and this keeper can not move up and down with this tooth bar.
On the basis of the pump unit described in the above-mentioned 3rd or fourth program, in seventh aspect of the present invention, the injection tube of one in above-mentioned correction liquid pump and suction pump is connected with pipe arrangement, retaining valve is connected with in the end of this pipe arrangement, the port injection tube of the another one in above-mentioned correction liquid pump or suction pump being connected with Liang Ge branch forms " Y " type flexible pipe of suction inlet and discharge opening respectively, should be controlled the opening and closing of suction inlet and discharge opening by " Y " type flexible pipe by solenoid valve.
On the basis of the pump unit described in above-mentioned 5th or six schemes, in eighth aspect of the present invention, the injection tube of one in above-mentioned correction liquid pump and suction pump is connected with pipe arrangement, retaining valve is connected with in the end of this pipe arrangement, the port injection tube of the another one in above-mentioned correction liquid pump or suction pump being connected with Liang Ge branch forms " Y " type flexible pipe of suction inlet and discharge opening respectively, should be controlled the opening and closing of suction inlet and discharge opening by " Y " type flexible pipe by solenoid valve.
On the basis of the pump unit described in above-mentioned 5th or six schemes, in ninth aspect of the present invention, above-mentioned arrangement of clutch is arranged in above-mentioned correction liquid pump and above-mentioned suction pump both sides.
On the basis of the pump unit described in above-mentioned 8th scheme, in tenth aspect of the present invention, above-mentioned arrangement of clutch is arranged on the injection tube in above-mentioned correction liquid pump and suction pump and is connected with in a side of retaining valve, and the opposing party controls to suck and spue by solenoid valve.
On the basis of the pump unit described in the above-mentioned 3rd or fourth program, in 11st aspect of the present invention, also be provided with spherical plunger, this spherical plunger above-mentioned correction liquid pump and above-mentioned suction pump supporting member be provided with above-mentioned tooth bar opposite side, above-mentioned supporting member can be made to support it up and down, locate.
Electrode detection unit described in 12nd aspect of the present invention, has the pump unit described in the above-mentioned the first to ten one scheme either a program.
Biochemical corpse or other object for laboratory examination and chemical testing device described in 13rd aspect of the present invention, has the pump unit described in the above-mentioned the first to ten one scheme either a program.
Biochemical corpse or other object for laboratory examination and chemical testing device described in 14th aspect of the present invention, has the electrode detection unit described in the 12 scheme.
The effect of utility model: if adopt technique scheme of the present utility model, by one group of control gear and driving mechanism (motor) just can realize respectively multiple pump attraction, spue, structure is simplified, decreases the probability of fault generation, and the volume making pump shared in whole biochemical corpse or other object for laboratory examination and chemical testing device reduces, thus the miniaturization of device entirety becomes possibility, and save cost.
Accompanying drawing explanation
Fig. 1 is the front view of the pump unit of the utility model embodiment;
Fig. 2 A is the front view of the correction liquid pump disgorging motion of the pump unit of the utility model embodiment;
Fig. 2 B is the front view of the correction liquid pump attraction action of the pump unit of the utility model embodiment;
Fig. 2 C is the front view of the suction pump disgorging motion of the pump unit of the utility model embodiment;
Fig. 2 D is the front view of the suction pump attraction action of the pump unit of the utility model embodiment;
Fig. 3 is the vertical view of the pump unit of another embodiment of the utility model;
Fig. 4 is the front view of the pump unit of another embodiment of the utility model;
Fig. 5 is the amplification stereogram of the clutch part of the pump unit of another embodiment of table the utility model;
Fig. 6 A is the front view of the correction liquid pump disgorging motion of the pump unit of another embodiment of the utility model;
Fig. 6 B is the front view of the correction liquid pump attraction action of the pump unit of another embodiment of the utility model;
Fig. 6 C is the front view of the suction pump disgorging motion of the pump unit of another embodiment of the utility model;
Fig. 6 D is the front view of the suction pump attraction action of the pump unit of another embodiment of the utility model;
Fig. 7 is the vertical view of the pump unit of the utility model variation;
Fig. 8 is the front view of the pump unit of the utility model variation;
Fig. 9 A is the front view of the correction liquid pump disgorging motion of the pump unit of the utility model variation;
Fig. 9 B is the correction liquid pump of the pump unit of the utility model variation and the front view of suction pump attraction action;
Fig. 9 C is the front view of the suction pump disgorging motion of the pump unit of the utility model variation;
Fig. 9 D is the correction liquid pump of the pump unit of the utility model variation and the front view of suction pump homing action;
Figure 10 A is the front view of correction liquid pump of the prior art;
Figure 10 B is the front view of suction pump of the prior art.
Reference text explanation
1. correct liquid pump; 2. suction pump; 10. retaining valve; 11. injection tubes; 12. motors; 13. supporting members; 14. cams; 15. axis of guides; 16. pistons; 18. tooth bars; 19. spherical plungers; 20. solenoid valves; 21. injection tubes; 22. motors; 23. supporting members; 24. cams; 25. axis of guides; 26. pistons; 27. flexible pipes; 28. tooth bars; 29. spherical plungers; 31. sector gears; 32. motors; 41. column gears; 100. pin; 200. pin; 110. electromagnet; 210. electromagnet; 271. suction inlet; 272. discharge opening.
Embodiment
Embodiment 1
Below, according to Fig. 1, Fig. 2 A ~ Fig. 2 D, one embodiment of the present of invention are described.As shown in Figure 1, as one embodiment of the present of invention, here for the pump in the electrode detection unit in biochemical corpse or other object for laboratory examination and chemical testing device, pump unit of the present invention is described, but this pump unit does not limit to and is applied in electrode detection unit, also can be applied in biochemical corpse or other object for laboratory examination and chemical testing device that other have in two or more pump structure.
Wherein, the pump unit of the first embodiment of the present invention has the correction liquid pump 1 for drawing, spuing correcting fluid and the suction pump 2 for drawing, spuing sample liquid, corrects liquid pump 1 and suction pump 2 and clips motor 32 and relative configuration.
Correcting liquid pump 1 mainly comprises for holding absorption, the injection tube 11 of the correcting fluid spued, can be inserted into up or down in above-mentioned injection tube 11 to carry out the absorption of correcting fluid, the piston 16 spued, the retaining valve 10 that the end of the pipe arrangement be connected with the phase earthing, one end of not inserting above-mentioned piston 16 of above-mentioned injection tube 11 configures, be fixedly connected on above-mentioned piston 16, to the supporting member 13 that this piston 16 keeps, be fixed on the tooth bar 18 on the end face of above-mentioned motor 32 of this supporting member 13, make supporting member 13 can up and down to the spherical plunger 19 that the other end of this supporting member 13 is supported, and the axis of guide 15 led is moved up and down to above-mentioned supporting member 13.
In addition, in the present invention if not otherwise specified, so-called " up and down " direction, refers to the above-below direction of drawing.
Suction pump 2 mainly comprises for holding absorption, the injection tube 21 of the sample liquid spued, can be inserted into up or down in above-mentioned injection tube 21 to carry out the absorption of sample liquid, the piston 26 spued, be connected with the phase earthing, one end of not inserting above-mentioned piston 26 of above-mentioned injection tube 21, there is the flexible pipe 27 being branched off into " Y " font connecting the discharge opening 272 of waste liquid tank and the suction inlet 271 of connecting electrode syringe needle, the discharge opening 272 of flexible pipe 27 and suction inlet 271 are carried out respectively to the solenoid valve 20 of open and close controlling, be fixedly connected on above-mentioned piston 26, to the supporting member 23 that this piston 26 keeps, be fixed on the tooth bar 28 on the end face of above-mentioned motor 32 of this supporting member 23, make supporting member 23 can up and down to the spherical plunger 29 that the other end of this supporting member 23 is supported, and the axis of guide 25 led is moved up and down to above-mentioned supporting member 23.
Above-mentioned solenoid valve 20 carries out open and close controlling to flexible pipe 27 like this: clamped by left side flexible pipe during suction, suck from right side flexible pipe, when spuing, right side flexible pipe clamps by solenoid valve, spues from left side, thus complete from discharge opening 272 spue and from the suction of suction inlet 271.
The driving shaft of above-mentioned motor 32 is connected to the sector gear 31 that can be turned to the state be meshed with tooth bar 18 or 28 by drive motor.
Below, use Fig. 2 A ~ Fig. 2 D that the action of the pump unit of the present embodiment is described.
As shown in Figure 2 A, motor 32 drives sector gear 31 to rotate clockwise, and making keeper 13 by correcting the piston 16 of the injection tube 11 of liquid pump 1 upwardly, completing spuing of correcting fluid.Then, as shown in Figure 2 B, motor 32 drives sector gear 31 to rotate counterclockwise, and the piston 16 of the injection tube 11 correcting liquid pump 1 is pulled downwards by keeper 13, is completed the suction of correcting fluid by retaining valve.Now, the end face of spherical plunger and above-mentioned keeper abuts against, to position maintenance to it.Then, as shown in Figure 2 C, when sector gear 31 departs from left side tooth bar, bulb plunger plays the role of positioning to keeper.Motor 32 drives sector gear 31 to rotate counterclockwise, and makes keeper 23 by the piston 26 of the injection tube 21 of suction pump 2 upwardly, completes spuing of liquid sample.Finally, motor 32 drives sector gear 31 to rotate clockwise, and the piston 26 of the injection tube 21 of suction pump 2 is pulled downwards by keeper 23, completes the suction of liquid sample.Wherein, when sector gear departs from left side tooth bar, bulb plunger plays the effect of location to keeper.
Like this, by one group of control gear and driving mechanism (motor) just can realize respectively correcting liquid pump and suction pump attraction, spue, the structure of electrode detection unit is simplified, decreases the probability of fault generation, volume shared in biochemical corpse or other object for laboratory examination and chemical testing device reduces, make the miniaturization of biochemical corpse or other object for laboratory examination and chemical testing device become possibility, and save cost.
Certainly, the present embodiment is not limited to the situation arranging two pumps, can also change as follows.Such as, the pump of more than three or three can be set, as long as these pumps a set of motor and sector gear are arranged on these pumps surround the centre in space, make sector gear 360 degree rotation, each tooth bar can be driven to move up and down respectively, thus make the action respectively of each pump.
Embodiment 2
Below, Fig. 3 ~ Fig. 5, Fig. 6 A ~ 6D is used to be described embodiment 2.In example 2, give identical label for part same as the previously described embodiments, and description is omitted.
Be with the difference of above-described embodiment 1 in embodiment 2, the motor 32 of this embodiment 2 replaces arrange sector gear and be provided with column gear 41, this column gear 41 is engaged with tooth bar 18 ' and 28 ' respectively, and this tooth bar 18 ' can be arranged relative to moving up and down or becoming to be integrated with the supporting member 13,23 of suction pump 2 with correction liquid pump 1 respectively up or down with 28 '.Wherein, tooth bar 18 ' and 28 ' are respectively arranged with the hole of inserting for pin 100,200 described later, above-mentioned supporting member 13,23 is respectively arranged with the through hole passed for pin 100,200 described later.Electromagnet 110 and electromagnet 210 is respectively arranged with the opposite side of motor 41 what correct liquid pump 1 and suction pump 2, this electromagnet 110 and electromagnet 210 and above-mentioned pin 100,200 constitute clutch, and this clutch can make above-mentioned supporting member become be integrated or be separated from each other out with above-mentioned tooth bar.Wherein, this electromagnet 110 and 210 is respectively arranged with the maintaining part 111 and 211 of a limit opening of " mouth " font, above-mentioned pin 100 and 200 is in " T " font, the horizontal edge of its " T " word is positioned among " mouth " font of above-mentioned opening under the state kept by this electromagnet, the vertical edge of its " T " word stretches out from above-mentioned opening part, can be punctured in the hole of above-mentioned keeper 13,23 through hole and tooth bar 18 ', 28 '.
Below, use Fig. 6 A ~ Fig. 6 D that the action of the pump unit of the present embodiment is described.
As shown in Figure 6A, pin 200 is extracted out by the electromagnet 210 of suction pump 2 side, and pin 100 inserts by the electromagnet correcting liquid pump 1 side, and the keeper 13 correcting liquid pump 1 is linked into an integrated entity with tooth bar 18 '.Motor is with carry-over bar 18 ' and 28 ' to move by gear 41, but only make the keeper of correction liquid pump 1 move upward, by the piston of injection tube upwardly, pin 100 moves upward together along with keeper 13 and departs from from the maintaining part 111 of electromagnet 110, now only has correction liquid pump to complete and spues.As shown in Figure 6B, when motor reversal, pin 100 moves downward together along with keeper 13, and injection tube resets, and pin 100 is inserted in the maintaining part 111 of electromagnet 110 again, corrects liquid pump and completes suction.Then, as shown in Figure 6 C, attract the electromagnet 210 of pump side to be inserted by pin 200, pin 100 is extracted out by the electromagnet 110 of correcting fluid side, now only has the keeper 23 of suction pump to be connected with tooth bar 28 '.Motor is with carry-over bar 18 ' and 28 ' to move by gear 41, but only makes the keeper 23 of suction pump 2 move upward, and by the piston 26 of injection tube 21 upwardly, now only has suction pump 2 to complete and spues.Next, as shown in Figure 6 D, motor reversal, the injection tube 21 of suction pump 2 resets, and pin 200 is inserted in the maintaining part 211 of electromagnet 210 again, and suction pump completes suction.
Like this, by one group of control gear and driving mechanism (motor) just can realize respectively correcting pump and suction pump attraction, spue, the structure of electrode detection unit is simplified, decreases the probability of fault generation, volume shared in biochemical corpse or other object for laboratory examination and chemical testing device reduces, make the miniaturization of biochemical corpse or other object for laboratory examination and chemical testing device become possibility, and save cost.
Certainly, the present embodiment is not limited to the situation arranging two pumps, can also change as follows.Such as, the pump of more than three or three can be set, these pumps can be by the length of column gear, and motor is arranged on appropriate location, be meshed with the tooth bar of multiple pump to enable a column gear, also can be that the both sides tooth bar of multiple pump being arranged on a column gear are engaged, each tooth bar can be driven to move up and down respectively, thus make the action respectively of each pump.
Variation
Below, use Fig. 7,8,9A ~ 9D illustrates the variation of above-described embodiment, in this variation, give identical label, and description is omitted for part same as the previously described embodiments.
Be with the difference of above-described embodiment 2 in this variation, do not arrange electromagnet 210 and pin 200 in suction pump 2 side, tooth bar 28 ' is fixedly connected with the supporting member 23 of suction pump 2 side.Like this, the supporting member 23 of suction pump side moves up and down integratedly with tooth bar 28 ' all the time in such an embodiment, thus piston 26 moves up and down thereupon in injection tube 21.Wherein, control the suction inlet 271 of flexible pipe 27 and discharge opening 272 in suction pump 2 side by solenoid valve 20 thus carry out the suction of sample liquid and spue.
Below, use Fig. 9 A ~ Fig. 9 D that the action of the pump unit of the present embodiment is described.
As shown in Figure 9 A, motor 32 driven gear 41 rotates, and by tooth bar 18 ' and 28 ', correction liquid pump is moved upward together with 23 with the keeper 13 of suction pump, by the piston of injection tube 11 and 21 upwardly.Now the solenoid valve of suction pump 2 clamps right side flexible pipe all the time, because front one-off does not suck, so the liquid that do not spue, therefore only has correction liquid pump 1 to complete and spues.Then, as shown in Figure 9 B, motor reversal, two injection tubes 11 and 21 reset, and correct liquid pump 1 and complete suction.Now, the solenoid valve 20 of suction pump 2 clamps left side flexible pipe, sucks sample liquid from right side flexible pipe.Then, as shown in Figure 9 C, electromagnet 110 attracts pin 100, thus pin is extracted from the keeper 13 of correcting fluid side and the through hole of tooth bar 18 '.Motor 32 driven gear 41 rotates, and only has the keeper 23 of suction pump 2 to move upward, by the piston 26 of injection tube 21 upwardly.Now the right side of flexible pipe 27 clamps by solenoid valve, and spue from left side waste liquid.Finally, as shown in fig. 9d, motor reversal, solenoid valve still clamps right side flexible pipe, and two injection tubes reset, and suction pump cannot suck, electromagnet knockout pin 100.
Therefore, this variation except can obtaining the technique effect of above-described embodiment, owing to not needing installation two clutches, so simplify the structure, saved cost.
Be explained above several embodiment of the present utility model, but these embodiments just propose as an example, be not intended to the scope limiting utility model.These new embodiments can be implemented by other various modes, in the scope of purport not departing from utility model, can carry out various omission, displacement, change.In the scope that these embodiments and distortion thereof are included in utility model and purport, be also contained in utility model described in claim and equivalency range thereof.
Claims (13)
1. a pump unit, comprises at least two pumps, it is characterized in that:
Above-mentioned at least two pumps making the driving force of a motor pass to said pump unit by transmission mechanism drive, and carry out action respectively to make above-mentioned at least two pumps;
Above-mentioned transmission mechanism comprises: the multiple slave units be separately positioned on above-mentioned at least two pumps, driving the piston of these at least two pumps to move up and down in injection cylinder, and
Be connected with the driving shaft of above-mentioned motor, driven the drive unit rotated;
This transmission mechanism is engaged with above-mentioned drive unit respectively by above-mentioned multiple slave unit, and above-mentioned multiple slave unit is moved up and down respectively.
2. pump unit as claimed in claim 1, is characterized in that:
Above-mentioned at least two pumps be in biochemical corpse or other object for laboratory examination and chemical testing device for drawing and discharge the correction liquid pump of correcting fluid and the suction pump for drawing and discharge sample liquid,
Above-mentioned correction liquid pump and above-mentioned suction pump to be connected with above-mentioned drive unit ground connection configuration by above-mentioned slave unit,
And, above-mentioned slave unit is separately positioned on the side towards above-mentioned drive unit of above-mentioned correction liquid pump and above-mentioned suction pump, and fix with the supporting member that carry piston of above-mentioned correction liquid pump and above-mentioned suction pump or be connected separably, drive above-mentioned supporting member to move up and down;
This pump unit is also provided with the guiding mechanism led that moves up and down to above-mentioned supporting member.
3. pump unit as claimed in claim 2, is characterized in that:
Above-mentioned drive unit is be connected with the driving shaft of above-mentioned motor and driven the sector gear arranged rotationally,
Above-mentioned slave unit is be arranged on the tooth bar on the supporting member of above-mentioned correction liquid pump and above-mentioned suction pump respectively,
By the driving of above-mentioned motor, sector gear can rotate respectively to both sides, thus engages with the tooth bar being positioned at its both sides respectively and drive tooth bar to move up and down.
4. pump unit as claimed in claim 2, is characterized in that:
Above-mentioned drive unit is be connected with the driving shaft of above-mentioned motor and driven the column gear arranged rotationally, and above-mentioned slave unit is the tooth bar be meshed with above-mentioned column gear respectively,
And, above-mentioned correction liquid pump and above-mentioned suction pump at least one in be provided with arrangement of clutch, this arrangement of clutch can make the supporting member of at least one in above-mentioned correction liquid pump and above-mentioned suction pump combine with above-mentioned tooth bar and can become to move up and down integratedly.
5. pump unit as claimed in claim 4, is characterized in that:
Above-mentioned arrangement of clutch comprises: that be arranged at least one of above-mentioned correction liquid pump and above-mentioned suction pump with electromagnet that is above-mentioned motor opposite side, can be kept up and down, can insert the through hole being arranged at above-mentioned keeper and the pin be finally inserted in the hole being arranged at above-mentioned tooth bar by above-mentioned electromagnet;
Above-mentioned electromagnet can control above-mentioned pin relative to the insertion of above-mentioned keeper and tooth bar with extract, when above-mentioned pin being inserted the through hole of above-mentioned keeper and inserting in the hole of above-mentioned tooth bar, above-mentioned pin, above-mentioned keeper and above-mentioned tooth bar can become and move up and down integratedly, when being extracted from above-mentioned through hole and hole by above-mentioned pin, above-mentioned keeper is separated with above-mentioned tooth bar and this keeper can not move up and down with this tooth bar.
6. pump unit as claimed in claim 2 or claim 3, is characterized in that:
The injection tube of one in above-mentioned correction liquid pump and suction pump is connected with pipe arrangement, retaining valve is connected with in the end of this pipe arrangement, the port injection tube of the another one in above-mentioned correction liquid pump or suction pump being connected with Liang Ge branch forms " Y " type flexible pipe of suction inlet and discharge opening respectively, should be controlled the opening and closing of suction inlet and discharge opening by " Y " type flexible pipe by solenoid valve.
7. the pump unit as described in claim 4 or 5, is characterized in that:
The injection tube of one in above-mentioned correction liquid pump and suction pump is connected with pipe arrangement, retaining valve is connected with in the end of this pipe arrangement, the port injection tube of the another one in above-mentioned correction liquid pump or suction pump being connected with Liang Ge branch forms " Y " type flexible pipe of suction inlet and discharge opening respectively, should be controlled the opening and closing of suction inlet and discharge opening by " Y " type flexible pipe by solenoid valve.
8. the pump unit as described in claim 4 or 5, is characterized in that:
Above-mentioned arrangement of clutch is arranged in above-mentioned correction liquid pump and above-mentioned suction pump both sides.
9. pump unit as claimed in claim 7, is characterized in that:
Above-mentioned arrangement of clutch is arranged on the injection tube in above-mentioned correction liquid pump and suction pump and is connected with in a side of retaining valve, and the opposing party controls to suck and spue by solenoid valve.
10. the pump unit as described in claim 3 or 4, is characterized in that:
Also be provided with spherical plunger, this spherical plunger above-mentioned correction liquid pump and above-mentioned suction pump supporting member be provided with above-mentioned tooth bar opposite side, above-mentioned supporting member can be made to support it up and down, locate.
11. 1 kinds of electrode detection unit, have the pump unit according to any one of claim 1 ~ 10.
12. 1 kinds of biochemical corpse or other object for laboratory examination and chemical testing devices, have the pump unit according to any one of claim 1 ~ 10.
13. 1 kinds of biochemical corpse or other object for laboratory examination and chemical testing devices, have electrode detection unit according to claim 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749749.1U CN204694719U (en) | 2014-12-03 | 2014-12-03 | Pump unit, electrode detection unit and biochemical corpse or other object for laboratory examination and chemical testing device |
| JP2015236940A JP2016109696A (en) | 2014-12-03 | 2015-12-03 | Automatic analysis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749749.1U CN204694719U (en) | 2014-12-03 | 2014-12-03 | Pump unit, electrode detection unit and biochemical corpse or other object for laboratory examination and chemical testing device |
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| Publication Number | Publication Date |
|---|---|
| CN204694719U true CN204694719U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420749749.1U Active CN204694719U (en) | 2014-12-03 | 2014-12-03 | Pump unit, electrode detection unit and biochemical corpse or other object for laboratory examination and chemical testing device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2016109696A (en) |
| CN (1) | CN204694719U (en) |
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2014
- 2014-12-03 CN CN201420749749.1U patent/CN204694719U/en active Active
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- 2015-12-03 JP JP2015236940A patent/JP2016109696A/en active Pending
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| Publication number | Publication date |
|---|---|
| JP2016109696A (en) | 2016-06-20 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160715 Address after: Tochigi County, Japan Patentee after: Toshiba Medical System Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Toshiba Corp Patentee before: Toshiba Medical System Co., Ltd. |